biology

Mariana Castanheira

Mariana Castanheira is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Mariana Castanheira rather than just read about it. In short: Mariana Castanheira is a Brazilian microbiologist who is the Chief Scientific Officer at JMI Laboratories. Her research considers antimicrobial surveillance and the design.

Key takeaways

Mariana Castanheira belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Mariana Castanheira to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Mariana Castanheira from memory before moving on to harder problems.

Reference excerpt

Mariana Castanheira is a Brazilian microbiologist who is the Chief Scientific Officer at JMI Laboratories. Her research considers antimicrobial surveillance and the design. She was elected Fellow of the American Society for Microbiology in 2023.

Early life and education Castanheira studied pharmacy and biochemistry at the Federal University of São Paulo. She remained there for her PhD, studying molecular epidemiology and the mechanisms that underpin gram-positive and gram-negative bacteria. After earning her doctorate, she moved to the University of Bristol, where she studied beta-lactamase. She completed a postdoctoral fellowship at the Federal University of São Paulo in 2005.

Research and career Castanheira worked as a research scientist at QIAGEN for a year before joining JMI Laboratories, a microbiology laboratory in Iowa. She worked on antimicrobial surveillance, programs that are critical for understanding the prevalence of bacteria and fungi. She was appointed Chief Scientific Officer at JMI Laboratories in 2020. In 2023, Castanheira was made Fellow of the American Society for Microbiology.

Selected publications Rodrigo Elisandro Mendes; Mariana Castanheira; Antonio Carlos Campos Pignatari; Ana Cristina Gales (April 2006). "Metalo-beta-lactamases". Jornal brasileiro de patologia e medicina laboratorial. 42 (2): 103–113. doi:10.1590/s1676-24442006000200007. ISSN 1676-2444. Wikidata Q62795347. Shawn R Lockhart; Kizee A Etienne; Snigdha Vallabhaneni; et al. (20 October 2016). "Simultaneous Emergence of Multidrug-Resistant Candida auris on 3 Continents Confirmed by Whole-Genome Sequencing and Epidemiological Analyses". Clinical Infectious Diseases. 64 (2): 134–140. doi:10.1093/cid/ciw691. ISSN 1058-4838. PMC 5215215. PMID 27988485. Wikidata Q34547546. Barbara D Alexander; Melissa D Johnson; Christopher D Pfeiffer; et al. (13 March 2013). "Increasing echinocandin resistance in Candida glabrata: clinical failure correlates with presence of FKS mutations and elevated minimum inhibitory concentrations". Clinical Infectious Diseases. 56 (12): 1724–1732. doi:10.1093/cid/cit136. ISSN 1058-4838. PMC 3658363. PMID 23487382. Wikidata Q36856930.

References

Worked examples

Example 1 — a first encounter with Mariana Castanheira

Start with the simplest possible case. Write down what Mariana Castanheira claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Mariana Castanheira before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Mariana Castanheira ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Mariana Castanheira

In research: Mariana Castanheira appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Mariana Castanheira in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Mariana Castanheira is common in secondary-school and first-year university syllabi. It links to neighbouring topics 21st-century Brazilian biologists, 21st-century Brazilian women scientists, Brazilian microbiologists, so understanding it makes those chapters shorter.
In everyday life: Look for Mariana Castanheira outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Mariana Castanheira in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mariana Castanheira means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Mariana Castanheira out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mariana Castanheira in simple terms?

Mariana Castanheira is a Brazilian microbiologist who is the Chief Scientific Officer at JMI Laboratories. Her research considers antimicrobial surveillance and the design.

Why does Mariana Castanheira matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Mariana Castanheira?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Mariana Castanheira.